Multiple choice

Examples of congenital diseases are

  1. alkaptonuria and albinism

  2. albinism and sickle cell anemia

  3. hemophilia

  4. All of the above

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D Correct answer
Explanation

This is the correct option. Congenital disorder or congenital disease is a condition existing at birth and often before birth, regardless of causation. Of these diseases, those characterised by structural deformities are termed "congenital anomalies" and involve defects in or damage to a developing foetus.